21416346

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1069}}^1$

素因数の和:1140

約数の個数: 64

約数和(自身を含む): 55468800

約数和(自身を除く): 34052454

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 53, 54, 63, 106, 126, 159, 189, 318, 371, 378, 477, 742, 954, 1069, 1113, 1431, 2138, 2226, 2862, 3207, 3339, 6414, 6678, 7483, 9621, 10017, 14966, 19242, 20034, 22449, 28863, 44898, 56657, 57726, 67347, 113314, 134694, 169971, 202041, 339942, 396599, 404082, 509913, 793198, 1019826, 1189797, 1529739, 2379594, 3059478, 3569391, 7138782, 10708173, 21416346]

約数ペア:

[(1, 21416346), (2, 10708173), (3, 7138782), (6, 3569391), (7, 3059478), (9, 2379594), (14, 1529739), (18, 1189797), (21, 1019826), (27, 793198), (42, 509913), (53, 404082), (54, 396599), (63, 339942), (106, 202041), (126, 169971), (159, 134694), (189, 113314), (318, 67347), (371, 57726), (378, 56657), (477, 44898), (742, 28863), (954, 22449), (1069, 20034), (1113, 19242), (1431, 14966), (2138, 10017), (2226, 9621), (2862, 7483), (3207, 6678), (3339, 6414)]